If you want to check the strength of your application or the server’s strength you will need to find out how much load, in terms of the number of users the application can handle. We use the Performance Testing techniques, to check the load an application can handle.
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Performance Testing helps in establishing the scalability, stability, and speed of the software application. Performance testing is an integral part of product testing that checks the speed and response time of the largest load on the application.
We enable our customers to measure response -time, throughput rates, and latency and identify the breaking point of the application. We report issues about buffer overflows, memory leaks, and load balance so that our customers can take the necessary decisions to improve or manage the load on the application.
We identify the “tipping point” of the application, by subjecting the application to huge stress. We check the system failures, data security issues, and privacy policy breaches.
We analyze the scalability of the existing system and find the weakness of the product using Volume Testing techniques. It helps in finding any unwanted product configuration and provides necessary information for technical maintenance.
JMeter
JMeter by Apache is used to perform load tests and to measure the performance of websites. It is open-source software written in Java and is used to test both web and FTP applications if the system supports Java Virtual Machine. We at Precise Testing Solution use JMeter to conduct Performance Testing.
Load Ninja
Load Ninja is used to creating load tests that are scriptless. Here real browsers are used instead of emulators. Load Ninja helps in conducting high-quality tests in less time and is hosted on the cloud.
LoadRunner
LoadRunner from Micro Focus, later acquired by Hewlett Packard Enterprise is the oldest and most popular testing tool for performance testing. Applications are subjected to various levels of load to see how they behave, before going into production. Load testing before the application goes live is extremely essential because, if the application performs badly in a live environment, it will be rejected and therefore lead to a loss in business.
WebLoad
It is an enterprise-scale load testing tool from Rad View software. It is used to test scalability, performance, and verifiability. The script is recorded in Selenium and then exported to Web Load. It is a web and mobile testing and analysis tool.
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In load testing the workload is incrementally added to a system to check for its performance. We continue adding users until the system slows down thereby locating the threshold where the system’s behaviour changes. We determine throughput, and latency using load testing and report issues about buffer overflows, memory leaks and load balance.
In Stress testing we add users and data to execute an improbable scenario. The site is subjected to huge stress to determine where the non-functional tests start failing. This gives an idea about the ‘tipping point’ of the application.
In volume testing we incrementally add data to the database until the system fails or starts behaving adversely. Also known as flood testing, the system is subjected to huge volumes of data to check its performance under such conditions.
In reliability testing we check that the software can perform without any failure in a specified time and environment This helps to unearth design and functionality issues in the application. We check the consistency of the application, under similar conditions to check its reliability.
Under scalability tests we measure the system performance by scaling up and scaling down the number of user requests. We find the web application restrictions with respect to response time, network usage, CPU Usage, etc.
Spike testing is performed by sudden increase or decrease in the load on a system to check for performance. In this we determine the behavior of the application during unexpected spikes and to check how much an application can perform beyond its intended load.